From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A589B2EA17C; Tue, 17 Jun 2025 15:59:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750175986; cv=none; b=tPR5KSzwBB0xMyg/6iWbhwaJWMlEUWJLNOG3Amo72YdblyKzZ52mQOE3TFeoWyHsZpMLAKv+CAfSxXIO2VSP76UawL2CAk2UNk7OKUpXEoGQlcJrkDmsnVe/pgwg2IT/Gj6n4zEB4gbW0R+da71cq4XkAJpXUBYetM8aYKVtK1c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750175986; c=relaxed/simple; bh=JO27YwDsPJD9P3d33giKgOp0YWA1jIQIs1HLJi54WPw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M5Y0nh6Oikwxtlu18gECGdqEBuiHiKd9MEFYhZRBb7EGTQcsOSYTKjRP4Og6WIYl128We3HX/VuKV6oGiEYX5KyCIIpfXzptx1PSEpu97zFJH9cgovCYMMUTnxBdjZwzJtG89bCkZMlVAUhGe1cwOyHsSq9LjOrfMiLFQ3mKCWs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CTJzo+8c; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="CTJzo+8c" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11571C4CEE3; Tue, 17 Jun 2025 15:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750175986; bh=JO27YwDsPJD9P3d33giKgOp0YWA1jIQIs1HLJi54WPw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CTJzo+8chcWObHJ8EfRXpdGYVg6PWx0k32UeZI3hET2ZOySX94Uv98xWWbCtAEux8 ++gUd507lA1IDw6WfaHj3kseBiRjHnai63XQfRZdAToKm3GYiUEJ2uvgc3ITiRdr1G mErmDPNmnVDh+JOQpeU7A0MagbPOvK1zoGAa74wM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ming Yen Hsieh , Felix Fietkau , Sasha Levin Subject: [PATCH 6.12 185/512] wifi: mt76: mt7925: prevent multiple scan commands Date: Tue, 17 Jun 2025 17:22:31 +0200 Message-ID: <20250617152427.140048090@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152419.512865572@linuxfoundation.org> References: <20250617152419.512865572@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ming Yen Hsieh [ Upstream commit 122f270aca2c86d7de264ab67161c845e0691d73 ] Add a check to ensure only one scan command is active at a time by testing the MT76_HW_SCANNING state. Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips") Signed-off-by: Ming Yen Hsieh Link: https://patch.msgid.link/20250414013954.1151774-1-mingyen.hsieh@mediatek.com Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index 2396e1795fe17..7ad9e1eaaa8f3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c @@ -2771,6 +2771,9 @@ int mt7925_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, struct tlv *tlv; int max_len; + if (test_bit(MT76_HW_SCANNING, &phy->state)) + return -EBUSY; + max_len = sizeof(*hdr) + sizeof(*req) + sizeof(*ssid) + sizeof(*bssid) + sizeof(*chan_info) + sizeof(*misc) + sizeof(*ie); -- 2.39.5